CN208908166U - A kind of magnetic core with high magnetic permeability - Google Patents
A kind of magnetic core with high magnetic permeability Download PDFInfo
- Publication number
- CN208908166U CN208908166U CN201821979218.6U CN201821979218U CN208908166U CN 208908166 U CN208908166 U CN 208908166U CN 201821979218 U CN201821979218 U CN 201821979218U CN 208908166 U CN208908166 U CN 208908166U
- Authority
- CN
- China
- Prior art keywords
- protective casing
- ferrite
- magnetic core
- convex block
- insulating cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000035699 permeability Effects 0.000 title claims abstract description 15
- 230000001681 protective effect Effects 0.000 claims abstract description 61
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 56
- 239000003292 glue Substances 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 6
- 230000000452 restraining effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- WJZHMLNIAZSFDO-UHFFFAOYSA-N manganese zinc Chemical compound [Mn].[Zn] WJZHMLNIAZSFDO-UHFFFAOYSA-N 0.000 description 2
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
Landscapes
- Soft Magnetic Materials (AREA)
Abstract
The utility model discloses a kind of magnetic cores with high magnetic permeability, including the second ferrite, the second ferritic upside is provided with protective casing, the downside of the upper protective casing is fixed with rubber pad by viscous stick of glue, heat release hole is offered on the inside of the upper protective casing, the second convex block is provided on the downside of the upper protective casing, the upper protective casing is an integral structure with the second convex block；Second ferrite and the first ferritic inside are provided with venthole, it radiates when being worked by venthole convenient for magnetic core, it avoids generating vortex on the outside of magnetic core, vortex meeting heat production causes magnetic core to generate heat, the work of magnetic core is influenced, the first ferritic outside is provided with protective casing and lower protective casing, is provided with insulating cylinder on the inside of upper protective casing, by threaded portion connection, there are two stop collars at the both ends of insulating cylinder, convenient for more preferably being protected by upper protective casing and lower protective casing magnetic core.
Description
Technical field
The utility model belongs to magnetic core technical field, and in particular to a kind of magnetic core with high magnetic permeability.
Background technique
Magnetic core refers to a kind of sintering magnetic metal oxide being made of various iron oxide mixtures.For example, manganese-zinc second
Ferrite and the second ferrite of nickel-zinc are typical magnetic core array materials.The second ferrite of manganese-zinc has high magnetic permeability and high magnetic flux
The characteristics of density, and there is more low-loss characteristic.The second ferrite of nickel-zinc has high unit area impedance, low less than several hundred
The characteristics such as magnetic conductivity.Second FERRITE CORE is a kind of high-permeability material, the coil and transformer for various electronic equipments
In.
Existing magnetic core mostly entirety in production, after causing some to damage, entire magnetic core cannot be used,
Use cost is increased, while the second ferrite of high-permeability material is when in use, since outside is provided with coil, coil passes through
Current induced magnetic field, magnetic field generate vortex to magnetic core, and vortex, which can generate thermal energy, causes magnetic core to generate heat, and magnetic core cannot well outward
Heat dissipation influence magnetic core service efficiency, in addition magnetic core is easy to damage under external collision, and safety is lower, thus it is proposed that
A kind of magnetic core with high magnetic permeability.
Utility model content
The purpose of this utility model is to provide a kind of magnetic cores with high magnetic permeability, to solve to mention in above-mentioned background technique
The magnetic core having mostly entirety in production, after causing some to damage, entire magnetic core cannot be used, and increase
Use cost, while the second ferrite of high-permeability material is when in use, since outside is provided with coil, coil is produced by electric current
Magnetisation field, magnetic field generate vortex to magnetic core, and vortex, which can generate thermal energy, causes magnetic core to generate heat, and magnetic core cannot radiate shadow outward well
The service efficiency of magnetic core is rung, in addition magnetic core is easy to damage under external collision, the lower problem of safety.
To achieve the above object, the utility model provides the following technical solutions: a kind of magnetic core with high magnetic permeability, including
Second ferrite, the second ferritic upside are provided with protective casing, pass through glue on the downside of the upper protective casing
Viscous stick is fixed with rubber pad, and heat release hole is offered on the inside of the upper protective casing, is provided on the downside of the upper protective casing
Second convex block, the upper protective casing are an integral structure with the second convex block, are provided with winding on the inside of the upper protective casing
Hole, the winding hole inside are placed with insulating cylinder, and the second ferritic downside is provided with lower protective casing, second iron
The side of oxysome is provided with the first ferrite.
Preferably, the first convex block is provided on the upside of the lower protective casing, the lower protective casing is with the first convex block
Integral structure is provided with external screw thread on the outside of first convex block, is provided with internal screw thread on the inside of second convex block, described
First convex block is fixed with the second convex block by threaded portion.
Preferably, the both ends of the insulating cylinder are provided with limit external screw thread, are provided with ventilation hole on the inside of the insulating cylinder,
The ventilation hole runs through the two sides of insulating cylinder.
Preferably, restraining position ring block is arranged in the both ends of the insulating cylinder, is provided with limit internal screw thread on the inside of the stop collar,
The insulating cylinder and stop collar are fixed by threaded portion.
Preferably, the described second ferritic inside is provided with venthole, and the venthole runs through second ferritic two
Side, the second ferritic both ends are provided with connection convex block.
Preferably, the described first ferritic both ends are provided with connection catching groove, first ferrite and the second ferrite
It carries out agreeing with composition ring-shaped magnetic core by connection convex block and connection catching groove.
Compared with prior art, the utility model has the beneficial effects that
(1) second ferrite and the first ferritic inside are provided with venthole, by venthole convenient for magnetic core work
When radiate, when avoiding winding copper wire on the outside of magnetic core, coil generates vortex to magnetic core by current induced magnetic field, magnetic field, is vortexed meeting
Generating thermal energy causes magnetic core to generate heat, and influences the work of magnetic core, the first ferrite and the second ferrite and passes through connection convex block and connection
That catching groove agree with composition is cyclic annular, can be individually to wherein damaging after the first ferrite or the damage of the second ferrite
Part is replaced, and is avoided causing damages to the replacement of entire magnetic core larger, is increased use cost.
(2) first ferritic outsides are provided with protective casing and lower protective casing, upper protective casing and lower protecting crust
Body is fixed by threaded portion, and insulating cylinder is provided on the inside of upper protective casing, and the both ends of insulating cylinder are connected by threaded portion
There are two stop collars, fixation are clamped to upper protective casing and lower protective casing by two stop collars, convenient for preferably making
First ferrite and the second ferrite are placed between protective casing and lower protective casing, so by upper protective casing and under
Protective casing protects magnetic core, and the reasons such as outside collision is avoided to lead to the damage of magnetic core, improves the safety of magnetic core, increases
The big economic value of device.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the overlooking structure diagram of the utility model；
Fig. 3 is that first ferrite of the utility model and the second ferrite agree with composition core structure schematic diagram；
Fig. 4 is the insulating barrel structure schematic diagram of the utility model；
In figure: 1, upper protective casing；2, heat release hole；3, rubber pad；4, insulating cylinder；5, stop collar；6, the first ferrite；7,
Second ferrite；8, the first convex block；9, lower protective casing；10, the second convex block；11, venthole；12, external screw thread is limited；13, lead to
Air holes.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-Fig. 4 is please referred to, the utility model provides a kind of technical solution: a kind of magnetic core with high magnetic permeability, including
The upside of second ferrite 7, the second ferrite 7 is provided with protective casing 1, in order to be buffered to impact force, upper protecting crust
The downside of body 1 is fixed with rubber pad 3 by viscous stick of glue, and for the ease of the heat dissipation of magnetic core replacement, the inside of upper protective casing 1 is opened
Equipped with heat release hole 2, fixed with lower protective casing 9 for the ease of upper protective casing 1, the downside of upper protective casing 1 is provided with second
Convex block 10, upper protective casing 1 are an integral structure with the second convex block 10, and the inside of upper protective casing 1 is provided with winding hole, in order to
More preferable convenient for protecting crust fixed effect, winding is placed with insulating cylinder 4 on the inside of hole, and the downside of the second ferrite 7 is provided with lower protection
Shell 9, the side of the second ferrite 7 are provided with the first ferrite 6.
In the present embodiment, it is preferred that, lower protecting crust preferably fixed for the ease of upper protective casing 1 and lower protective casing 9
The upside of body 9 is provided with the first convex block 8, and lower protective casing 9 is an integral structure with the first convex block 8, and the outside of the first convex block 8 is set
It is equipped with external screw thread, the inside of the second convex block 10 is provided with internal screw thread, and the first convex block 8 and the second convex block 10 are consolidated by threaded portion
It is fixed.
In the present embodiment, it is preferred that for the ease of carrying out clamping, the both ends of insulating cylinder 4 to protective casing by stop collar 5
It is provided with limit external screw thread 12, for the ease of the heat dissipation of magnetic core replacement, the inside of insulating cylinder 4 is provided with ventilation hole 13, ventilation hole
13 run through the two sides of insulating cylinder 4.
In the present embodiment, it is preferred that carry out clamping, insulating cylinder 4 to protective casing for the ease of preferably passing through stop collar 5
Both ends restraining position ring block 5 is set, the inside of stop collar 5 is provided with limit internal screw thread, and insulating cylinder 4 and stop collar 5 pass through threaded portion
It is fixed.
In the present embodiment, it is preferred that for the ease of the heat dissipation of the second ferrite 7, the inside of the second ferrite 7 is provided with logical
Stomata 11, venthole 11 run through the two sides of the second ferrite 7, agree with composition for the ease of the first ferrite 6 and the second ferrite 7
The both ends of magnetic core, the second ferrite 7 are provided with connection convex block.
In the present embodiment, it is preferred that in order to preferably the first ferrite 6 and the second ferrite 7 is convenient for agree with composition magnetic core,
The both ends of first ferrite 6 are provided with connection catching groove, the first ferrite 6 and the second ferrite 7 and pass through connection convex block and connection buckle
Slot carries out agreeing with composition ring-shaped magnetic core.
The working principle and process for using of the utility model: when in use, magnetic core passes through the first ferrite 6 and the second iron oxygen
Body 7 alternately agrees with composition, is led to by 7 self-characteristic of the first ferrite 6 and the second ferrite convenient for improving the magnetic conductivity of magnetic core
It crosses protective casing 1 and lower protective casing 9 to be convenient for protecting on the outside of magnetic core, while passing through the elasticity of rubber pad 3, be convenient for
The cushion effect of magnetic core is improved, reduces and is damaged caused by impact force, the first ferrite 6 or the one of damage of the second ferrite 7
Afterwards, rotation send the stop collar 5 at 4 both ends of insulating cylinder to separate with insulating cylinder 4, and then rotation is served protective casing 1 and divided with lower protective casing 9
From, the space inside protective casing 1 and lower protective casing 9 at this moment can be opened, convenient for being replaced to which of damage,
It reduces to loss caused by the replacement of entire magnetic core, after maintenance, backout can make protective casing 1 and lower protective casing 9
It is fixed, further upper protective casing 1 and lower protective casing 9 is carried out clamping by two stop collars 5, improved to magnetic
The fastness that core is placed.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of magnetic core with high magnetic permeability, including the second ferrite (7), it is characterised in that: second ferrite (7)
Upside is provided with protective casing (1), and the downside of the upper protective casing (1) is fixed with rubber pad (3), institute by viscous stick of glue
It states and is offered on the inside of protective casing (1) heat release hole (2), be provided with the second convex block on the downside of the upper protective casing (1)
(10), the upper protective casing (1) is an integral structure with the second convex block (10), the inside setting of the upper protective casing (1)
There is winding hole, is placed with insulating cylinder (4) on the inside of the winding hole, is provided with lower protecting crust on the downside of second ferrite (7)
The side of body (9), second ferrite (7) is provided with the first ferrite (6).
2. a kind of magnetic core with high magnetic permeability according to claim 1, it is characterised in that: the lower protective casing (9)
Upside be provided with the first convex block (8), the lower protective casing (9) is an integral structure with the first convex block (8), and described first is convex
Be provided with external screw thread on the outside of block (8), be provided with internal screw thread on the inside of second convex block (10), first convex block (8) with
Second convex block (10) is fixed by threaded portion.
3. a kind of magnetic core with high magnetic permeability according to claim 1, it is characterised in that: the two of the insulating cylinder (4)
End is provided with limit external screw thread (12), is provided with ventilation hole (13) on the inside of the insulating cylinder (4), the ventilation hole (13) is run through
The two sides of insulating cylinder (4).
4. a kind of magnetic core with high magnetic permeability according to claim 1, it is characterised in that: the two of the insulating cylinder (4)
Restraining position ring block (5) are arranged in end, are provided with limit internal screw thread, the insulating cylinder (4) and stop collar on the inside of the stop collar (5)
(5) it is fixed by threaded portion.
5. a kind of magnetic core with high magnetic permeability according to claim 1, it is characterised in that: second ferrite (7)
Inside be provided with venthole (11), the venthole (11) run through the second ferrite (7) two sides, second ferrite
(7) both ends are provided with connection convex block.
6. a kind of magnetic core with high magnetic permeability according to claim 1, it is characterised in that: first ferrite (6)
Both ends be provided with connection catching groove, first ferrite (6) and the second ferrite (7) by connection convex block and connection catching groove into
Row agrees with composition ring-shaped magnetic core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821979218.6U CN208908166U (en) | 2018-11-28 | 2018-11-28 | A kind of magnetic core with high magnetic permeability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821979218.6U CN208908166U (en) | 2018-11-28 | 2018-11-28 | A kind of magnetic core with high magnetic permeability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208908166U true CN208908166U (en) | 2019-05-28 |
Family
ID=66614877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821979218.6U Expired - Fee Related CN208908166U (en) | 2018-11-28 | 2018-11-28 | A kind of magnetic core with high magnetic permeability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208908166U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111009384A (en) * | 2019-11-21 | 2020-04-14 | 国电南瑞科技股份有限公司 | Layered tool structure of magnetic coupling resonant wireless power transmission device |
-
2018
- 2018-11-28 CN CN201821979218.6U patent/CN208908166U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111009384A (en) * | 2019-11-21 | 2020-04-14 | 国电南瑞科技股份有限公司 | Layered tool structure of magnetic coupling resonant wireless power transmission device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190528 |